Laughrey households in each
county in the Primary Valuation property survey of 1847-64.

fairly rare: Derry etc. Ir. Ó Luachra. Woulfe quotes O'Donovan saying that it comes from luachán, white, pure, but luchair also means bright, radiant and seems more appropriate. The name is widespread in the forms Loughry and Rush (a mistranslation).

Loughrey:

numerous: Ulster, Sligo-Mayo etc. Ir. Ó Luachra, which has been turned into Rush because luachair means rushes (plants). For correct derivation see Loughery.